On Monday, December 27, 2004, at 8:00:14 AM, Roberto Lupi wrote:
> I see. Thanks for the clarification: I have never played bowling
> myself and I didn't know this rule. I was working back from your code.
Yes. Feel free to borrow the tests if you want to play further. Or
even the code.
I'm on a path to post the code somewhere, but that won't happen for
a while yet.
> I can write a stream-based implementation using #peek instead of
> #next, but I don't think if I should. My Smalltalk environment
> (Dolphin) lacks a method that returns multiple future values from a
> PositionableStream. I would have to add my own and I don't think that
> it's worth the effort.
Yes. You need to peek two into the future, and I haven't seen such a
method either. It would be rather a nifty implementation, though:
self isStrike
ifTrue: [^stream first + stream peekFirst + stream peekSecond]
with isStrike:
isStrike
^stream peekFirst = 10
I think I like it! I'm gonna try that approach. Cool idea.
Ron Jeffries
www.XProgramming.com
I could be wrong, but I'm not. --Eagles, Victim of Love
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